HASFINE 【2021 Upgraded】TDS Meter Water Quality r, Digital Conductivity Meter 3 in 1 TDS,EC and Temperature Meter, Accuracy Testing Pen 0-9999 PPM Meter for Drinking Water, Aquariums,Pool and More

✅【TEST YOUR WATER PURITY】: With our handy TDS water meters can test how pure is your water? Just stick it in about 1 inch deep of water, then TDS water r can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million).
✅【 4 IN 1 MODEL FUNCTION】: Our advanced 3 in 1 ppm meter conductivity pen professional in TDS, EC and Temperature testing, 4 in 1 model for your free choice. And upgraded with big backlit LCD for easy reading, easily use with auto lock function.
✅【 ACCURATE AND WIDE MEASUREMENT RANGE】: Equipped with premium quality titanium alloy probe to achieve high accuracy, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures. Testing range from 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking 'x10' image.
✅【 EASY TO USE AND HANDY】: Just remove the protective cap, press ON/OFF button, then stick the TDS meter r into the water ( no more than 4 cm), waiting until the display stabilizes, the TDS meter will be auto-locked on LCD backlight screen in seconds, TDS r shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording.
✅【FAN-FAVORITE CUSTOMER SERVICE】: For any problems with our digital TDS water r meter, please feel free to contact us, we will give you a perfect solutions within 24 hours.